ORD → SAN: cancellations & delays
Over Jan 2023 - Apr 2026, 1.0% of Chicago O'Hare International Airport (ORD) to San Diego International Airport (SAN) flights were cancelled and 25.5% arrived at least 15 minutes late, across 10,008 flights, flown by UA, AA, AS, F9, NK. Cancellations peak in January.
Check today's live ORD departures →Airport pages: Chicago O'Hare International Airport (ORD) · San Diego International Airport (SAN)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.